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Frederick County, Maryland

Frederick County profile, demographic data, and geographic information.

Frederick County is a county located in Maryland, United States of America. As of official census estimates, it has a reported population of 302,883. The land area covers 660.66 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Frederick County
Official Title: Senior Hr Analyst
Address: 12 E CHURCH ST, FREDERICK MD 21701-5402

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 302,883 — 2025 / Census
Median Age 39 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 104,635 ±535 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 108,924 ±86
Occupied Housing Units 104,635 ±535
Vacant Housing Units 4,289 ±527
Median Home Value $464,600 ±$4,368
Median Gross Rent $1,774 ±$37
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $122,002 ±$2,489
Per Capita Income $54,982 ±$744
Poverty Rate 6% ±0.6%
Population Below Poverty Level 16,959 ±1,786
Unemployment Rate 3.3% ±0.4%
Civilian Labor Force, Employed 152,168 ±1,319
Broadband Internet Rate 93.2% ±0.7%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at FREDERICK POLICE BRKS, MD US, located 4.3 miles from Frederick County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 43.1° 26.5° 34.8° 2.58" —
February 47.8° 28.5° 38.2° 2.95" —
March 55.3° 35.6° 45.5° 3.71" —
April 68.6° 44.7° 56.7° 3.55" —
May 77.4° 55.0° 66.2° 3.99" —
June 85.2° 63.3° 74.2° 4.26" —
July 88.6° 68.4° 78.5° 3.90" —
August 86.7° 66.4° 76.5° 2.89" —
September 80.0° 59.3° 69.7° 5.80" —
October 68.8° 47.2° 58.0° 3.26" —
November 56.3° 37.8° 47.1° 2.66" —
December 47.1° 30.7° 38.9° 3.97" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 24021. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.